UNIX 03

E214845

Single UNIX Specification version UNIX conformance standard software certification program

UNIX 03 is a Single UNIX Specification compliance standard that certifies operating systems as conformant, interoperable UNIX systems.

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All labels observed (2)

Label	Occurrences
UNIX 03 canonical	4
UNIX 03 Registered Product	1

How this entity was disambiguated

This entity first appeared as the object of triple T1923161 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: UNIX 03
Context triple: [AIX, certification, UNIX 03]

A. Unix
Unix is a powerful, multiuser, multitasking operating system originally developed in the 1970s that has profoundly influenced modern computing and inspired many derivative systems like Linux and macOS.
B. UNIX System V
UNIX System V is a major commercial version of the Unix operating system, developed by AT&T and widely influential in defining standardized Unix features and interfaces.
C. The Unix Programming Environment
The Unix Programming Environment is a classic 1984 book by Brian W. Kernighan and Rob Pike that introduces the philosophy, tools, and practices of software development on Unix systems.
D. Solaris operating system
Solaris operating system is a Unix-based enterprise operating system known for its scalability, robustness, and advanced features such as ZFS, DTrace, and strong support for SPARC and x86 architectures.
E. SunOS
SunOS is a Unix-based operating system developed by Sun Microsystems, best known as the original OS for Sun's SPARC and earlier workstation and server lines.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: UNIX 03
Target entity description: UNIX 03 is a Single UNIX Specification compliance standard that certifies operating systems as conformant, interoperable UNIX systems.

A. Unix
Unix is a powerful, multiuser, multitasking operating system originally developed in the 1970s that has profoundly influenced modern computing and inspired many derivative systems like Linux and macOS.
B. UNIX System V
UNIX System V is a major commercial version of the Unix operating system, developed by AT&T and widely influential in defining standardized Unix features and interfaces.
C. The Unix Programming Environment
The Unix Programming Environment is a classic 1984 book by Brian W. Kernighan and Rob Pike that introduces the philosophy, tools, and practices of software development on Unix systems.
D. Solaris operating system
Solaris operating system is a Unix-based enterprise operating system known for its scalability, robustness, and advanced features such as ZFS, DTrace, and strong support for SPARC and x86 architectures.
E. SunOS
SunOS is a Unix-based operating system developed by Sun Microsystems, best known as the original OS for Sun's SPARC and earlier workstation and server lines.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	Single UNIX Specification version ⓘ UNIX conformance standard ⓘ software certification program ⓘ
administeredBy	The Open Group ⓘ
appliesTo	UNIX operating systems ⓘ linked to: Unix-like systems UNIX-like operating systems ⓘ operating systems ⓘ
category	information technology standard ⓘ
domain	operating systems ⓘ
ensures	application portability across certified UNIX systems ⓘ binary and source-level compatibility guidelines ⓘ
focusesOn	conformance ⓘ interoperability ⓘ
follows	Single UNIX Specification Version 3 ⓘ linked to: Single UNIX Specification
governsUseOf	UNIX trademark for certified systems ⓘ
hasCertificationMark	UNIX 03 Registered Product ⓘ linked to: UNIX 03
hasFeature	branding program for certified products ⓘ formal test suites for certification ⓘ trademark license for use of the UNIX name ⓘ
hasPurpose	certify operating systems as conformant UNIX systems ⓘ define a consistent UNIX application programming interface ⓘ ensure interoperability between UNIX systems ⓘ
hasScope	application programming interfaces ⓘ conformance requirements for operating systems ⓘ system interfaces ⓘ utilities and commands ⓘ
implementedBy	AIX (certain versions) ⓘ HP-UX (certain versions) ⓘ linked to: HP-UX Solaris (certain versions) ⓘ linked to: Solaris operating system macOS (certain versions) ⓘ linked to: macOS
languageOfStandard	English ⓘ
ownedBy	The Open Group ⓘ
partOf	Single UNIX Specification ⓘ
relatedTo	UNIX 95 ⓘ UNIX 98 ⓘ UNIX V7 ⓘ linked to: V7 UNIX
replacedBy	UNIX V7 ⓘ linked to: V7 UNIX
requires	formal registration with The Open Group ⓘ successful completion of conformance tests ⓘ
requiresConformanceTo	POSIX standards ⓘ linked to: POSIX Single UNIX Specification base definitions ⓘ linked to: Single UNIX Specification Single UNIX Specification shell and utilities ⓘ linked to: Single UNIX Specification Single UNIX Specification system interfaces ⓘ linked to: Single UNIX Specification
standardizes	C language interfaces for UNIX systems ⓘ command-line utilities for UNIX systems ⓘ shell behavior for UNIX systems ⓘ system calls for UNIX systems ⓘ
usedBy	commercial UNIX vendors ⓘ enterprise operating system providers ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

AIX → certification → UNIX 03 ⓘ

UNIX 03 → hasCertificationMark → UNIX 03 Registered Product ⓘ

linked to: UNIX 03

UNIX 95 → followedBy → UNIX 03 ⓘ

UNIX 95 → hasSuccessorBrand → UNIX 03 ⓘ

UNIX 98 → followedBy → UNIX 03 ⓘ

All labels observed (2)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (5)

How this entity was disambiguated

How these facts were elicited